Speckle Imaging of Stars with Composite Spectra

Details Speckle Imaging of Stars with Composite Spectra Speckle Imaging of Stars with Composite Spectra

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aas...187.4302s&link_type=abstract

American Astronomical Society, 187th AAS Meeting, #43.02; Bulletin of the American Astronomical Society, Vol. 27, p.1340

Astronomy and Astrophysics

Astronomy

Scientific paper

We report on continuing analyses of speckle imaging data obtained with the Georgia Tech Research Institute speckle camera (see BAAS, 24, 1280, 1992). Observations of stellar objects were made using the 2.4-meter and 1.3-meter telescopes at the Michigan-Dartmouth-MIT observatory in September 1992 and January 1993. Speckle images of 174 stars classified as having ``composite spectra'' in the Michigan Spectral Catalogue and an additional 16 Mira variables believed to have companions were obtained to search for or to confirm duplicity. New analysis software has been developed to calculate the power spectrum and to recover phase information using Triple Correlation techniques. Results of the speckle astrometry programs for the entire set of composite-spectra stars, including separations and angles, are presented.

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